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Acta Botanica Brasilica

Print version ISSN 0102-3306


MIRANDA, Vitor Fernandes Oliveira de  and  SAJO, Maria das Graças. Morphology and anatomy of the post-seminal development of three species of Drosera. Acta Bot. Bras. [online]. 2000, vol.14, n.2, pp.185-195. ISSN 0102-3306.

During germination, the seeds of the three species (Drosera spathulata Labill., D. intermedia Dreves & Hayne e D. burmanni Vahl) rupture by way of an operculum with the seedlings forming anchorage hairs before the development of primary roots. The cotyledon apexes remain inside the seed integuments and have a haustorial function. Different trichomes are found on the leaves and cotyledons of seedlings, and on emergence surfaces. Some anatomical aspects of leaves are also presented.

Keywords : post-seminal development; Drosera; leaf anatomy.

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